| Devenish Health CIC | Health & social care | 2014 |
| Deveron Estates Limited | Real estate | 2005 |
| Devflow Ltd | Information & communication | 2025 |
| Devgun Properties Limited | Construction | 2025 |
| Devi Technologies Limited | Information & communication | 2013 |
| Device Rescue Ltd | Wholesale & retail | 2026 |
| Device Tech Limited | Information & communication | 2026 |
| Devika MK PVT Ltd | Wholesale & retail | 2025 |
| Devikons Ltd | Information & communication | 2024 |
| Devil's Dog Limited | Hospitality | 2020 |
| Devin Corporation Ltd | Wholesale & retail | 2026 |
| Devine Hair Studio Ltd | Other services | 2015 |
| Devine Properties Management Solution Ltd | Real estate | 2023 |
| Devine Shine Limited | Wholesale & retail | 2020 |
| Devirgo Limited | Construction | 2005 |
| Devlin Lang Associates Ltd | Financial services | 2017 |
| Devnet Team Ltd | Information & communication | 2023 |
| Devnick Ltd | Real estate | 2018 |
| Devon Green Limited | Real estate | 2022 |
| Devon Housing Ltd | Real estate | 2024 |
| Devon Luxury Stays Ltd | Real estate | 2022 |
| Devonshireollen Limited | Financial services | 2025 |
| Devopsuk Ltd | Information & communication | 2018 |
| Devora Trans Ltd | Transport & logistics | 2021 |
| Devore Luxury Brand Ltd | Manufacturing | 2019 |
| Devote Radio Limited | Information & communication | 2025 |
| Devoted Care Services Ltd | Health & social care | 2019 |
| Devotee Technologies Limited | Water & waste | 2021 |
| Devpick Limited | Energy | 2023 |
| Devscore Limited | Information & communication | 2016 |
| Devsi Distribution Ltd | Wholesale & retail | 2024 |
| Devsinc Ltd | Information & communication | 2024 |
| DEW LCT Limited | Construction | 2009 |
| Dewa Management Services Ltd | Professional & scientific | 2026 |
| Dewa Nhlanhla Ltd | Administrative & support | 2024 |
| Dewan International Limited | Agriculture & fishing | 2025 |
| Dewside Management Company Limited | Households | 2018 |
| Dewson Electrical Limited | Construction | 2007 |
| DEX Energy Ltd | Professional & scientific | 2023 |
| DEX Jeans Limited | Wholesale & retail | 2009 |
| DEX Property Solutions Limited | Real estate | 2023 |
| Dexblue Limited | Professional & scientific | 2012 |
| Dexion Europe Limited | Professional & scientific | 1937 |
| Dexion International Limited | Manufacturing | 1924 |
| Dexstar Ltd | Wholesale & retail | 2016 |
| Dext Press Ltd | Wholesale & retail | 2026 |
| Dextersdrinkslab Ltd | Wholesale & retail | 2025 |
| DEY Services Ltd | Construction | 2023 |
| Deyn-Kaan Properties Limited | Real estate | 2025 |
| Dezaray Transport Ltd | Other services | 2016 |
| DE’ Beaut Training Academy Limited | Education | 2021 |
| DF 17 Limited | Hospitality | 2019 |
| DF Automotives Ltd | Professional & scientific | 2026 |
| DF Electrical Services Ltd | Construction | 2021 |
| DFA Psychology Ltd | Health & social care | 2022 |
| DFC Chicken Moseley Ltd | Hospitality | 2020 |
| DFC Fast Food Moseley Ltd | Hospitality | 2023 |
| DFD Link Limited | Wholesale & retail | 2012 |
| DFD Luton Limited | Transport & logistics | 2019 |
| Dfky Consulting Ltd | Professional & scientific | 2018 |
| DFL Power Solutions Ltd | Manufacturing | 2025 |
| DFR Investments Limited | Real estate | 2025 |
| Dfta Group Ltd | Professional & scientific | 2024 |
| DG Architecture Ltd | Professional & scientific | 2022 |
| DG Cleaning Contracts Limited | Administrative & support | 2025 |
| DG Connections Limited | Construction | 2024 |
| DG Corporate Limited | Real estate | 2025 |
| DG Deans Group Holding Ltd | Financial services | 2024 |
| DG Deans Group Limited | Professional & scientific | 2021 |
| DG Experts Consulting Ltd | Real estate | 2021 |
| DG Experts Ltd | Professional & scientific | 2024 |
| DG Locums Limited | Health & social care | 2015 |
| DG Medical Aesthetics and Skin Ltd | Health & social care | 2022 |
| DG Supplies Ltd | Wholesale & retail | 2018 |
| DG16 Ltd | Health & social care | 2017 |
| DGA Quality Services Ltd | Manufacturing | 2018 |
| Dgai Limited | Information & communication | 2023 |
| Dgbalfour Ltd | Construction | 2023 |
| DGC (WM) Limited | Financial services | 2020 |
| Dgch Brickwork Ltd | Construction | 2016 |
| DGJ Information Limited | Information & communication | 2016 |
| DGL Holdco Limited | Financial services | 2024 |
| DGL VENTURE1 Limited | Real estate | 2024 |
| Dglc Solutions Limited | Information & communication | 2019 |
| DGM General Group Ltd | Hospitality | 2023 |
| DGM Property Group Limited | Real estate | 2025 |
| DGN13 Property Ltd | Construction | 2025 |
| Dgrd Couriers Ltd | Transport & logistics | 2025 |
| DGS Capital Limited | Real estate | 2025 |
| DGS Dream Beds Ltd | Wholesale & retail | 2024 |
| DGS Holdings (Midlands) Ltd | Financial services | 2024 |
| DGS Properties (Midlands) Ltd | Real estate | 2020 |
| DH & AK Restaurant Limited | Hospitality | 2019 |
| DH & Associates Ltd | Professional & scientific | 2017 |
| DH Bashir Associates Limited | Extraterritorial | 2012 |
| DH Business Advisors Limited | Professional & scientific | 2008 |
| DH Business Ltd | Wholesale & retail | 2019 |
| DH Capital Ltd | Construction | 2020 |
| DH Cornbow Ltd | Other services | 2025 |
| DH Elec Ltd | Construction | 2024 |